Double walled glass



FIG. 1 is a perspective view of the double walled glass showing my design thereof;

FIG. 2 is a front view thereof, all other sides being the same;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a sectional view thereof taken along line 5—5 of FIG. 3. 

The ornamental design for a double walled glass, as shown and described. 